VULNERABILITY INTELLIGENCE

CVE-2026-18393

CVSS score5.4 MEDIUM
EPSS probability0.36%
CISA KEVNot currently listed
Published2026-08-28
Last modified2026-08-28
CVSS vectorCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H

Description

A flaw was found in FFmpeg. The tdsc_load_cursor() function writes beyond the bounds of a heap-allocated buffer when processing crafted TDSC cursor data. A remote attacker could exploit this by supplying a specially crafted video file, potentially leading to a denial of service or arbitrary code execution.

Weakness classification

  • secalert@redhat.com: CWE-787

Primary references